| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] used for | 340 |
|
| 2 | [adv] [be] used for | 280 |
|
| 3 | be [adv] [be] used | 172 |
|
| 4 | be [be] used for | 56 |
|
